/* ==========================================================================
   HOMEPAGE STYLES - ODDATAVIZ
   ========================================================================== */

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.main {
    padding: var(--spacing-xl) 0;
}

.hero {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #FAF9FA 0%, #6CDADE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(250, 249, 250, 0.8);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ==========================================================================
   VISUALIZATIONS SECTION
   ========================================================================== */

.visualizations {
    margin-bottom: var(--spacing-xxl);
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

/* ==========================================================================
   VISUALIZATION GRID
   ========================================================================== */

.viz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* ==========================================================================
   VISUALIZATION CARDS
   ========================================================================== */

.viz-card {
    background: linear-gradient(145deg, rgba(250, 249, 250, 0.05) 0%, rgba(108, 218, 222, 0.05) 100%);
    border: 1px solid rgba(250, 249, 250, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.viz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(145deg, transparent 0%, rgba(108, 218, 222, 0.1) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.viz-card:hover {
    transform: translateY(-4px);
    border-color: rgba(108, 218, 222, 0.3);
    box-shadow: 0 8px 32px rgba(108, 218, 222, 0.15);
}

.viz-card:hover::before {
    opacity: 1;
}

.viz-card:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Coming Soon Card */
.viz-card.coming-soon {
    opacity: 0.6;
    cursor: not-allowed;
}

.viz-card.coming-soon:hover {
    transform: none;
    border-color: rgba(250, 249, 250, 0.1);
    box-shadow: none;
}

/* ==========================================================================
   CARD PREVIEW
   ========================================================================== */

.card-preview {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* Bar Chart Preview */
.preview-bars {
    display: flex;
    align-items: end;
    gap: 4px;
    height: 60px;
    width: 80px;
}

.bar {
    flex: 1;
    background: linear-gradient(to top, var(--color-viz-1), var(--color-viz-3));
    border-radius: 2px 2px 0 0;
    min-height: 20%;
    animation: barGrow 2s ease-in-out infinite alternate;
}

.bar:nth-child(2) { animation-delay: 0.2s; }
.bar:nth-child(3) { animation-delay: 0.4s; }
.bar:nth-child(4) { animation-delay: 0.6s; }
.bar:nth-child(5) { animation-delay: 0.8s; }

@keyframes barGrow {
    0% { transform: scaleY(0.8); }
    100% { transform: scaleY(1.1); }
}

/* Line Chart Preview */
.preview-line svg {
    width: 80px;
    height: 60px;
}

.preview-line polyline {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: drawLine 3s ease-in-out infinite;
}

@keyframes drawLine {
    0% { stroke-dashoffset: 200; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -200; }
}

/* Pie Chart Preview */
.preview-pie {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    animation: pieRotate 4s linear infinite;
}

.pie-slice {
    position: absolute;
    width: 50%;
    height: 50%;
    transform-origin: right bottom;
}

.slice-1 {
    background: var(--color-viz-1);
    transform: rotate(0deg) skew(45deg);
}

.slice-2 {
    background: var(--color-viz-3);
    transform: rotate(90deg) skew(30deg);
}

.slice-3 {
    background: var(--color-viz-4);
    transform: rotate(180deg) skew(60deg);
}

.slice-4 {
    background: var(--color-viz-5);
    transform: rotate(270deg) skew(45deg);
}

@keyframes pieRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Scatter Plot Preview */
.preview-scatter {
    width: 80px;
    height: 60px;
    position: relative;
}

.scatter-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--color-viz-3);
    border-radius: 50%;
    animation: scatterPulse 2s ease-in-out infinite;
}

.scatter-dot:nth-child(2) { animation-delay: 0.2s; }
.scatter-dot:nth-child(3) { animation-delay: 0.4s; }
.scatter-dot:nth-child(4) { animation-delay: 0.6s; }
.scatter-dot:nth-child(5) { animation-delay: 0.8s; }

@keyframes scatterPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.5); opacity: 1; }
}

/* Heatmap Preview */
.preview-heatmap {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 2px;
    width: 60px;
    height: 60px;
}

.heat-cell {
    border-radius: 2px;
    animation: heatPulse 3s ease-in-out infinite;
}

.heat-1 { background: var(--color-viz-1); animation-delay: 0s; }
.heat-2 { background: var(--color-viz-2); animation-delay: 0.2s; }
.heat-3 { background: var(--color-viz-3); animation-delay: 0.4s; }
.heat-4 { background: var(--color-viz-4); animation-delay: 0.6s; }
.heat-5 { background: var(--color-viz-5); animation-delay: 0.8s; }
.heat-6 { background: var(--color-viz-6); animation-delay: 1s; }
.heat-7 { background: var(--color-viz-1); animation-delay: 1.2s; }
.heat-8 { background: var(--color-viz-3); animation-delay: 1.4s; }
.heat-9 { background: var(--color-viz-4); animation-delay: 1.6s; }

@keyframes heatPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Treemap Preview */
.preview-treemap {
    width: 80px;
    height: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2px;
}

.tree-rect {
    border-radius: 2px;
    animation: treeGrow 2s ease-in-out infinite alternate;
}

.tree-1 { 
    background: var(--color-viz-1); 
    grid-row: 1 / 3; 
    animation-delay: 0s;
}
.tree-2 { 
    background: var(--color-viz-3); 
    animation-delay: 0.3s;
}
.tree-3 { 
    background: var(--color-viz-4); 
    animation-delay: 0.6s;
}

@keyframes treeGrow {
    0% { transform: scale(0.9); }
    100% { transform: scale(1); }
}

/* Area Chart Preview */
.preview-area svg {
    width: 80px;
    height: 60px;
}

.preview-area path {
    animation: areaFill 3s ease-in-out infinite;
}

@keyframes areaFill {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.9; }
}

/* Histogram Preview */
.preview-histogram {
    display: flex;
    align-items: end;
    gap: 2px;
    height: 60px;
    width: 80px;
}

.hist-bar {
    flex: 1;
    background: var(--color-viz-3);
    border-radius: 1px 1px 0 0;
    animation: histGrow 2s ease-in-out infinite alternate;
}

.hist-bar:nth-child(2) { animation-delay: 0.2s; }
.hist-bar:nth-child(3) { animation-delay: 0.4s; }
.hist-bar:nth-child(4) { animation-delay: 0.6s; }
.hist-bar:nth-child(5) { animation-delay: 0.8s; }
.hist-bar:nth-child(6) { animation-delay: 1s; }

@keyframes histGrow {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* Box Plot Preview */
.preview-boxplot {
    width: 80px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.box-whisker {
    width: 60px;
    height: 2px;
    background: var(--color-viz-3);
    position: absolute;
}

.box-main {
    width: 30px;
    height: 20px;
    background: transparent;
    border: 2px solid var(--color-viz-1);
    border-radius: 2px;
}

.box-median {
    width: 30px;
    height: 2px;
    background: var(--color-viz-5);
    position: absolute;
}

/* Network Graph Preview */
.preview-network {
    width: 80px;
    height: 60px;
    position: relative;
}

.network-node {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--color-viz-3);
    border-radius: 50%;
    animation: networkPulse 2s ease-in-out infinite;
}

.node-1 { top: 20%; left: 20%; animation-delay: 0s; }
.node-2 { top: 20%; right: 20%; animation-delay: 0.3s; }
.node-3 { bottom: 20%; left: 30%; animation-delay: 0.6s; }
.node-4 { bottom: 20%; right: 30%; animation-delay: 0.9s; }

.network-line {
    position: absolute;
    height: 1px;
    background: var(--color-viz-1);
    opacity: 0.6;
}

.line-1 {
    top: 25%;
    left: 25%;
    width: 50%;
    transform: rotate(0deg);
}

.line-2 {
    top: 45%;
    left: 15%;
    width: 30%;
    transform: rotate(45deg);
}

.line-3 {
    top: 45%;
    right: 15%;
    width: 30%;
    transform: rotate(-45deg);
}

@keyframes networkPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

/* Plus Preview (Coming Soon) */
.preview-plus {
    font-size: 3rem;
    color: rgba(250, 249, 250, 0.3);
    font-weight: 300;
}

/* ==========================================================================
   CARD CONTENT
   ========================================================================== */

.card-content {
    position: relative;
    z-index: 1;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.card-description {
    font-size: 0.875rem;
    color: rgba(250, 249, 250, 0.7);
    margin-bottom: 0;
    line-height: 1.5;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 767px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .viz-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .viz-card {
        padding: var(--spacing-md);
    }
    
    .card-preview {
        height: 100px;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .viz-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .viz-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1400px) {
    .viz-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==========================================================================
   ANIMAÇÕES DE ENTRADA
   ========================================================================== */

.viz-card {
    opacity: 0;
    transform: translateY(20px);
    animation: cardEnter 0.6s ease-out forwards;
}

.viz-card:nth-child(1) { animation-delay: 0.1s; }
.viz-card:nth-child(2) { animation-delay: 0.2s; }
.viz-card:nth-child(3) { animation-delay: 0.3s; }
.viz-card:nth-child(4) { animation-delay: 0.4s; }
.viz-card:nth-child(5) { animation-delay: 0.5s; }
.viz-card:nth-child(6) { animation-delay: 0.6s; }
.viz-card:nth-child(7) { animation-delay: 0.7s; }
.viz-card:nth-child(8) { animation-delay: 0.8s; }
.viz-card:nth-child(9) { animation-delay: 0.9s; }
.viz-card:nth-child(10) { animation-delay: 1s; }
.viz-card:nth-child(11) { animation-delay: 1.1s; }

@keyframes cardEnter {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   ACESSIBILIDADE E ESTADOS DE FOCO
   ========================================================================== */

.viz-card:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .viz-card {
        opacity: 1;
        transform: none;
    }
}